| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 95 |
4.5%
|
| 1 | Rarely (once or twice in the past 30 days) | 62 |
2.9%
|
| 2 | Sometimes (three to ten times in the past 30 days) | 185 |
8.8%
|
| 3 | Often (more than ten times in the past 30 days) | 197 |
9.3%
|
| 4 | Always (every day) | 1574 |
74.5%
|
| Sysmiss | 1 |